Protection is low without boosters, the authors of a new study find. The findings also have immediate implications for the more than 40 countries who have used the CoronaVac vaccine.
KUALA LUMPUR, Jan 20 Omicron will invariably surpass Delta as the primary Covid-19 variant of concern here as nine in 10 cases arriving in the country were of the former, Health Minister Khairy Jamaluddin said today. Khairy also repeated his warning of a possible surge in cases between February.